public static boolean insertTail(
InsertionContext context, LookupElement item, TailType tailType, boolean hasTail) {
TailType toInsert = tailType;
LookupItem<?> lookupItem = item.as(LookupItem.CLASS_CONDITION_KEY);
if (lookupItem == null
|| lookupItem.getAttribute(LookupItem.TAIL_TYPE_ATTR) != TailType.UNKNOWN) {
if (!hasTail
&& item.getObject() instanceof PsiMethod
&& ((PsiMethod) item.getObject()).getReturnType() == PsiType.VOID) {
PsiDocumentManager.getInstance(context.getProject()).commitAllDocuments();
if (psiElement()
.beforeLeaf(psiElement().withText("."))
.accepts(context.getFile().findElementAt(context.getTailOffset() - 1))) {
return false;
}
boolean insertAdditionalSemicolon = true;
final PsiReferenceExpression referenceExpression =
PsiTreeUtil.getTopmostParentOfType(
context.getFile().findElementAt(context.getStartOffset()),
PsiReferenceExpression.class);
if (referenceExpression instanceof PsiMethodReferenceExpression
&& LambdaHighlightingUtil.insertSemicolon(referenceExpression.getParent())) {
insertAdditionalSemicolon = false;
} else if (referenceExpression != null) {
PsiElement parent = referenceExpression.getParent();
if (parent instanceof PsiMethodCallExpression) {
parent = parent.getParent();
}
if (parent instanceof PsiLambdaExpression
&& !LambdaHighlightingUtil.insertSemicolonAfter((PsiLambdaExpression) parent)) {
insertAdditionalSemicolon = false;
}
}
if (insertAdditionalSemicolon) {
toInsert = TailType.SEMICOLON;
}
}
}
toInsert.processTail(context.getEditor(), context.getTailOffset());
return true;
}
@Nullable
private static PsiType getQualifierCastType(
PsiJavaReference javaReference, CompletionParameters parameters) {
if (javaReference instanceof PsiReferenceExpression) {
final PsiReferenceExpression refExpr = (PsiReferenceExpression) javaReference;
final PsiExpression qualifier = refExpr.getQualifierExpression();
if (qualifier != null) {
final Project project = qualifier.getProject();
PsiType type = null;
final PairFunction<PsiExpression, CompletionParameters, PsiType> evaluator =
refExpr.getContainingFile().getCopyableUserData(DYNAMIC_TYPE_EVALUATOR);
if (evaluator != null) {
type = evaluator.fun(qualifier, parameters);
}
if (type == null) {
type = GuessManager.getInstance(project).getControlFlowExpressionType(qualifier);
}
return type;
}
}
return null;
}